On a sample of 40 women and 60 men 24 women like shopping, Ask an Expert

Statistics

On a sample of 40 women and 60 men, 24 women like shopping, while 28 men like shopping, is there evidence for gender differences?

a. State the null hypothesis

b. State the test you will use(one or two tails,Z or t)

c. Decide the level of significance (?r the confidence level)

d. Find the region of non rejection for your variable (or the region of rejection)

e. Find the value of your variable

f. Decide if your null hypothesis is rejected or not

g. If we assume the proportion does not change what should be the sample size in order to reject the null hypothesis (in case it were not rejected)?

View complete question

Statistics and Probability, Statistics

Category:- Statistics and Probability
Reference No.:- M91001893

Have any Question?Write your Review or question?

Related Questions in Statistics and Probability

Your bank has 153 million in loan commitments which are now

Your bank has $153 million in loan commitments which are now being drawn upon. You aren't sure, but you are beginning to think that the bank may have some problems now. What sort of risk are you connected about, and how ...

A data firm records a large amount of data

A data firm records a large amount of data. Historically, 1.0% of the pages of data recorded by the firm contain errors. If two hundred pages of data are randomly selected? a. What is the probability that six or more pa ...

The sample distribution on individual iq scores raw scores

The sample distribution on individual IQ scores (raw scores) has a sample mean of 100 and a standard deviation of 16. What proportion of the sample mean will fall at or above a mean of 102.56? Round the answers to no mor ...

What is the probability that a randomly selected person

What is the probability that a randomly selected person will have a birthday in November? Assume that this person was not born in a leap year. Express your answer as a simplified fraction or a decimal rounded to four dec ...

A random sample of the closing stock prices in dollars for

A random sample of the closing stock prices in dollars for a company in a recent year is listed below. Assume that sigma σ is ?$2.59. Construct the 90?% and 99?% confidence intervals for the population mean. Interpret th ...

Only 35 of the drivers in a particular city wear seat belts

Only 35% of the drivers in a particular city wear seat belts. Suppose that 20 drivers are stopped at random what is the probability that exactly four are wearing a seatbelt? (Round your answer to 4 decimal places)

The amounts in dollars spent by 20 families for dinner at a

The amounts? (in dollars) spent by 20 families for dinner at a restaurant are given on the right. 22 34 29 45 27 56 26 41 64 62 24 37 62 49 56 32 27 43 66 49 Fill in the correct frequencies in the frequency table based o ...

A company that manufactures gasoline station pumps must

A company that manufactures gasoline station pumps must ensure that it pumps at least 1 gallon of gasoline 84% of the time. If the population of pump amounts for a particular pump is normally distributed with mean μ and ...

Assume that 15 questions are answered by guessing1 what is

Assume that 15 questions are answered by guessing. 1) What is the probability of exactly 14 correct answers?

Timco is considering project a project a will cost 23000 it

Timco is considering project A. Project A will cost 23000. It should provide after tax cash inflows of 5000 per year for the next 6 years. The cost of funds is 10%. Find the MIRR. Should Timco buy it?

4,153,160 Questions Asked
13,132 Experts
2,558,936 Questions Answered

Ask Experts for help!!

Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

Ask Now Help with Problems, Get a Best Answer

Recent Questions

Ask Statistics and Probability Expert